Salt A commonly used in bakery products on heating gets converted into another salt B which itself is used for removal of hardness of water, and a gas C is evolved. The gas C when passed through lime water, turns it milky. Identify A, B, and C.
A is NaHCO3 used in the bakery.
B is Na2CO3 used in the removal of hardness.
C is CO2 turns lime water milky.
2NaHCO3 + O2(HEATING) → Na2CO3 + CO2 + H2O